Mads Andenas is a Professor of Law at the University of Oslo. He holds the degrees of Cand jur (Oslo), Ph D (Cambridge) and MA and DPhil (Oxford).

He is one of five members of the UN Working Group on Arbitrary Detention, see

Senior academic appointments in the United Kingdom include as Director of the British Institute of International and Comparative Law, London and Director of the Centre of European Law at King’s College, University of London.

He remains a Fellow of the Institute of European and Comparative Law, University of Oxford and at the Institute of Advanced Legal Studies, School of Advanced Studies, University of London.

He has been Visiting Professor at University of Paris I (Sorbonne) in 2006 and University of Rome La Sapienza in 2004-8, in 2002–3 he held the Chaire W J Ganshof van der Meersch under the Fondation Philippe Wiener—Maurice Anspach at the Université Libre de Bruxelles and in 2005 he was a Fellow of Netherlands Institute for Advanced Study in the Humanities and Social Sciences (NIAS). In 2006 he delivered the Annual Guido Carli Lecture at the University of LUISS Guido Carli, Rome. In 2008-9 he delivered a series of lectures at l'École normale Supérieure, Paris on human rights and comparative law.

He is Editor of the International and Comparative Law Quarterly (Oxford University Press) and of European Business Law Review (Kluwer Law International) and on the editorial boards of some ten other law journals and book series, including as General Editor of the Martinus Nijhoff Series in International Trade Law.

He is a Bencher of the Inner Temple, London, an Honorary Fellow of the Society of Legal Studies (UK) and a Fellow of the International Academy of Commercial and Consumer Law (where he is presently a member of the board). He is an Honorary Member of the British Institute of International and Comparative Law, London.

He was the Secretary General of the Fédération internationale de droit européen 2000-2002, the Hon Secretary of the UK Association of European Law 1997-2008 and the Hon Secretary of the UK Committee of Comparative Law 1999-2005. He was the Chair, Association of Human Rights Institutes (AHRI) in 2008. He has been a member of International Law Association's Securities Regulation Committee since 1999.